Year	Percent
1996-01-01	73.484600000000000
1997-01-01	122.315000000000000
1998-01-01	111.851000000000000
1999-01-01	146.912999999999980
2000-01-01	112.119000000000000
2001-01-01	56.618400000000000
2002-01-01	32.325500000000000
2003-01-01	55.430000000000000
2004-01-01	28.262300000000000
2005-01-01	11.883400000000000
2006-01-01	29.588200000000000
2007-01-01	11.760700000000000
2008-01-01	20.319400000000000
2009-01-01	9.111139999999999
2010-01-01	13.548000000000000
2011-01-01	13.997800000000000
2012-01-01	12.032600000000000
2013-01-01	11.027900000000000
2014-01-01	15.464800000000000
2015-01-01	13.049800000000000
2016-01-01	10.512700000000000